[luatex] LuaTeX v1: Two questions from testing
Joseph Wright
joseph.wright at morningstar2.co.uk
Thu Oct 13 09:01:12 CEST 2016
On 13/10/2016 07:33, Joseph Wright wrote:
> Hello,
>
> Testing LuaTeX v1, there are relatively few changes from v0.95. However,
> I've found one logging (?) change and one hyphenation change I didn't
> expect. With example
>
> \hsize 15em
> This is a supercalifragilisticexpialidocious%
> \hbox to 1em{}
> sentence.
> \tracingall
> \belowdisplayskip=0pt %
> $$
> y = mx + c
> $$
> \bye
>
> The results are different from pdfTeX in two ways. The empty \hbox does
> not prevent hyphenation, which it has to-date (so this is not a result
> of other hyphenation changes). The log also lacks the zero skip after
> the display.
>
> It's not clear to me if either of these changes is deliberate: what's
> the situation?
>
> Josph
Also, I assume that the fact the following doesn't show a \discretionary
is deliberate:
\tracingall
119-139
\bye
Joseph
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